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btrfs-progs: use calloc instead of malloc+memset for tree roots

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Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Omar Sandoval 2015-09-13 23:08:22 -07:00 committed by David Sterba
parent d17313dd4b
commit f18085fd88
1 changed files with 7 additions and 15 deletions
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22
disk-io.c
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@ -833,13 +833,13 @@ struct btrfs_fs_info *btrfs_new_fs_info(int writable, u64 sb_bytenr)
memset(fs_info, 0, sizeof(struct btrfs_fs_info));
fs_info->tree_root = malloc(sizeof(struct btrfs_root));
fs_info->extent_root = malloc(sizeof(struct btrfs_root));
fs_info->chunk_root = malloc(sizeof(struct btrfs_root));
fs_info->dev_root = malloc(sizeof(struct btrfs_root));
fs_info->csum_root = malloc(sizeof(struct btrfs_root));
fs_info->quota_root = malloc(sizeof(struct btrfs_root));
fs_info->super_copy = malloc(BTRFS_SUPER_INFO_SIZE);
fs_info->tree_root = calloc(1, sizeof(struct btrfs_root));
fs_info->extent_root = calloc(1, sizeof(struct btrfs_root));
fs_info->chunk_root = calloc(1, sizeof(struct btrfs_root));
fs_info->dev_root = calloc(1, sizeof(struct btrfs_root));
fs_info->csum_root = calloc(1, sizeof(struct btrfs_root));
fs_info->quota_root = calloc(1, sizeof(struct btrfs_root));
fs_info->super_copy = calloc(1, BTRFS_SUPER_INFO_SIZE);
if (!fs_info->tree_root || !fs_info->extent_root ||
!fs_info->chunk_root || !fs_info->dev_root ||
@ -847,14 +847,6 @@ struct btrfs_fs_info *btrfs_new_fs_info(int writable, u64 sb_bytenr)
!fs_info->super_copy)
goto free_all;
memset(fs_info->super_copy, 0, BTRFS_SUPER_INFO_SIZE);
memset(fs_info->tree_root, 0, sizeof(struct btrfs_root));
memset(fs_info->extent_root, 0, sizeof(struct btrfs_root));
memset(fs_info->chunk_root, 0, sizeof(struct btrfs_root));
memset(fs_info->dev_root, 0, sizeof(struct btrfs_root));
memset(fs_info->csum_root, 0, sizeof(struct btrfs_root));
memset(fs_info->quota_root, 0, sizeof(struct btrfs_root));
extent_io_tree_init(&fs_info->extent_cache);
extent_io_tree_init(&fs_info->free_space_cache);
extent_io_tree_init(&fs_info->block_group_cache);